a word show absolute awesomeness. use sparingly. shows great emotion that some people might find nerve racking.
my life is so tiberous right now, wait, my life is tiberous all the time!!!!!!!!
by Mike November 22, 2004
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Often short and of middle-eastern descent. Known for being proud of their sand nigger heritage and prepared to perform acts of terror, in the name of Allah.
Person A: Hey look there's a short middle eastern guy flying a plane into the world trade center on the TV!

Person B: I bet his name is Tibere.
by A Nagger December 26, 2013
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Converting to Roman Catholicism from another branch of Christianity.
Mr. Smith: Did you hear Mr. Doe is crossing the Tiber?
Fr. John: How nice to hear he has found the Truth.
by DevCatholic October 25, 2014
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Slang meaning, "converted to Roman Catholicism." The Tiber being a river that runs through Rome and thus "swimming" over to the Vatican side.
Guy#1: I've never seen you before, Are you new to this Church?

Guy#2: Yes, I've just recently swum the Tiber.

Guy#1: Oh, congrats, what were you before?

Guy#2: Anglican.
by McCloskey April 06, 2011
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To convert to Roman Catholicism. Used chiefly by Anglo-Catholics and other English-speaking former Protestants.
Realizing that I was no longer afraid of the funny outfits and that I would just be a White Anglo-Saxon Papist, I decided to swim the Tiber.
by Guthlac A July 08, 2010
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Expresión usada en latinoamerica para decir que vas a fumar marihuana sin levantar sospechas. También puede emplearse para decir que algo es bueno para ver o hacer fumado.
"Ey Diego, vamos tiber"

"The Midnight Gospel es tiber"
by PityAlvarez June 24, 2020
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